Acer ICONIA TAB A200, Service Manual

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2-5 Diagnostic Utilities
2. Touch Linearity Test (Touch Panel)
Draw your finger along the yellow squares.
The result is a “Pass” if you fill all the yellow squares and a “Fail” if you do not. The program returns
to the main menu after the test is finished.
Figure 2:6. Touch Linearity Test
3. RGB (Display)
Continue to tap the screen to display changes. Use this test to verify abnormal lines or dead pixels
on LCD screen.
Figure 2:7. RGB Test
Finish